[INFO] cloning repository https://github.com/thomas9911/expression_parser
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/thomas9911/expression_parser" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fthomas9911%2Fexpression_parser", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fthomas9911%2Fexpression_parser'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 824b02d24df7cbd41416228cc96b438bea9f07c6
[INFO] checking thomas9911/expression_parser against try#3e22d1f9053c0fc87629b3c6d5d9567856368e5d for pr-78714
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fthomas9911%2Fexpression_parser" "/workspace/builds/worker-1/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-1/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/thomas9911/expression_parser on toolchain 3e22d1f9053c0fc87629b3c6d5d9567856368e5d
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+3e22d1f9053c0fc87629b3c6d5d9567856368e5d" "read-manifest" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/thomas9911/expression_parser
[INFO] removed 0 missing examples
[INFO] finished tweaking git repo https://github.com/thomas9911/expression_parser
[INFO] tweaked toml for git repo https://github.com/thomas9911/expression_parser written to /workspace/builds/worker-1/source/Cargo.toml
[INFO] crate git repo https://github.com/thomas9911/expression_parser already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+3e22d1f9053c0fc87629b3c6d5d9567856368e5d" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded snailquote v0.3.0
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1/source:/opt/rustwide/workdir:ro,Z" "-v" "/var/lib/crater-agent-workspace/cargo-home:/opt/rustwide/cargo-home:ro,Z" "-v" "/var/lib/crater-agent-workspace/rustup-home:/opt/rustwide/rustup-home:ro,Z" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--user" "0:0" "--network" "none" "rustops/crates-build-env@sha256:6eabd152ff4036248d66efda456a36cb33d24b7291b33f25f75140726c88da35" "/opt/rustwide/cargo-home/bin/cargo" "+3e22d1f9053c0fc87629b3c6d5d9567856368e5d" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] c892beafaa14e2a26192906ff41aa60e84d90e0d4b1b628a9a17ea4d19807805
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] running `Command { std: "docker" "start" "-a" "c892beafaa14e2a26192906ff41aa60e84d90e0d4b1b628a9a17ea4d19807805", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "c892beafaa14e2a26192906ff41aa60e84d90e0d4b1b628a9a17ea4d19807805", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "c892beafaa14e2a26192906ff41aa60e84d90e0d4b1b628a9a17ea4d19807805", kill_on_drop: false }`
[INFO] [stdout] c892beafaa14e2a26192906ff41aa60e84d90e0d4b1b628a9a17ea4d19807805
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1/source:/opt/rustwide/workdir:ro,Z" "-v" "/var/lib/crater-agent-workspace/cargo-home:/opt/rustwide/cargo-home:ro,Z" "-v" "/var/lib/crater-agent-workspace/rustup-home:/opt/rustwide/rustup-home:ro,Z" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=forbid" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--user" "0:0" "--network" "none" "rustops/crates-build-env@sha256:6eabd152ff4036248d66efda456a36cb33d24b7291b33f25f75140726c88da35" "/opt/rustwide/cargo-home/bin/cargo" "+3e22d1f9053c0fc87629b3c6d5d9567856368e5d" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] e5c0583129ed0998338b604daa03fdb45bb903c8e28e1ca1d38f16f0d9b88b1b
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] running `Command { std: "docker" "start" "-a" "e5c0583129ed0998338b604daa03fdb45bb903c8e28e1ca1d38f16f0d9b88b1b", kill_on_drop: false }`
[INFO] [stderr]    Compiling syn v1.0.17
[INFO] [stderr]     Checking unicode_categories v0.1.1
[INFO] [stderr]    Compiling pest_generator v2.1.3
[INFO] [stderr]    Compiling thiserror-impl v1.0.19
[INFO] [stderr]    Compiling strum_macros v0.18.0
[INFO] [stderr]    Compiling pest_derive v2.1.0
[INFO] [stderr]     Checking thiserror v1.0.19
[INFO] [stderr]     Checking snailquote v0.3.0
[INFO] [stderr]     Checking expression_parser v0.2.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unnecessary braces around block return value
[INFO] [stdout]   --> src/statics.rs:28:65
[INFO] [stdout]    |
[INFO] [stdout] 28 |     pub(crate) static ref DEFAULT_STRING_VARIABLES: Variables = { Variables::default() };
[INFO] [stdout]    |                                                                 ^^^^^^^^^^^^^^^^^^^^^^^^ help: remove these braces
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_braces)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary braces around block return value
[INFO] [stdout]   --> src/statics.rs:28:65
[INFO] [stdout]    |
[INFO] [stdout] 28 |     pub(crate) static ref DEFAULT_STRING_VARIABLES: Variables = { Variables::default() };
[INFO] [stdout]    |                                                                 ^^^^^^^^^^^^^^^^^^^^^^^^ help: remove these braces
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_braces)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 1 warning emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 1 warning emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 27.86s
[INFO] running `Command { std: "docker" "inspect" "e5c0583129ed0998338b604daa03fdb45bb903c8e28e1ca1d38f16f0d9b88b1b", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "e5c0583129ed0998338b604daa03fdb45bb903c8e28e1ca1d38f16f0d9b88b1b", kill_on_drop: false }`
[INFO] [stdout] e5c0583129ed0998338b604daa03fdb45bb903c8e28e1ca1d38f16f0d9b88b1b